Features: 1. Enables remote door lock and unlock functionality for your vehicle with this central locking kit, providing convenience and security. 2. Includes 2 remote controls with 2 keys each, allowing manual activation of locking and unlocking functions. 3. Equipped with speaker output and turn signal output functions, along with an LED indicator for enhanced user experience. 4. Features a learning code remote controller that supports remote trunk release; designed for a service life of up to 2 years. 5. Constructed with pure copper wiring to ensure stable signal transmission and reliable performance. Specification: Item Type: Remote Central Lock Kit Material: ABS Voltage: 12V Remote Control Distance: Approx. 100m/109.4yd Remote Control Frequency: 433.92 MHz Applicable Life: 2 Years Main Function: 1. Remote control unlock/lock 2. Siren output 3. Turn Signal Output 4. LED indicator 5. Manual trigger for unlocking and locking 6. Learning code remote controller 7. Remote Trunk Release 8. Pure Copper Wire Battery: Button Battery (Built-in) Model: CR2025 Capacity: 150mAh How to Use: 1. If the vehicle is already equipped with a central door lock system and the driver’s door has an electric motor installed, verify the wiring compatibility. 2. If compatible, follow the wiring diagram provided in the installation instructions for proper connection. 3. Complete installation and begin use. Note: Please note that new or old versions of this product may be shipped at random; ensure you are comfortable with this before placing your order.